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Algorri JF, López-Higuera JM, Rodríguez-Cobo L, Cobo A. Advanced Light Source Technologies for Photodynamic Therapy of Skin Cancer Lesions. Pharmaceutics 2023; 15:2075. [PMID: 37631289 PMCID: PMC10458875 DOI: 10.3390/pharmaceutics15082075] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 07/18/2023] [Accepted: 07/21/2023] [Indexed: 08/27/2023] Open
Abstract
Photodynamic therapy (PDT) is an increasingly popular dermatological treatment not only used for life-threatening skin conditions and other tumors but also for cosmetic purposes. PDT has negligible effects on underlying functional structures, enabling tissue regeneration feasibility. PDT uses a photosensitizer (PS) and visible light to create cytotoxic reactive oxygen species, which can damage cellular organelles and trigger cell death. The foundations of modern photodynamic therapy began in the late 19th and early 20th centuries, and in recent times, it has gained more attention due to the development of new sources and PSs. This review focuses on the latest advancements in light technology for PDT in treating skin cancer lesions. It discusses recent research and developments in light-emitting technologies, their potential benefits and drawbacks, and their implications for clinical practice. Finally, this review summarizes key findings and discusses their implications for the use of PDT in skin cancer treatment, highlighting the limitations of current approaches and providing insights into future research directions to improve both the efficacy and safety of PDT. This review aims to provide a comprehensive understanding of PDT for skin cancer treatment, covering various aspects ranging from the underlying mechanisms to the latest technological advancements in the field.
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Affiliation(s)
- José Francisco Algorri
- Photonics Engineering Group, University of Cantabria, 39005 Santander, Spain;
- CIBER de Bioingeniería, Biomateriales y Nanomedicina, Instituto de Salud Carlos III, 28029 Madrid, Spain;
- Instituto de Investigación Sanitaria Valdecilla (IDIVAL), 39011 Santander, Spain
| | - José Miguel López-Higuera
- Photonics Engineering Group, University of Cantabria, 39005 Santander, Spain;
- CIBER de Bioingeniería, Biomateriales y Nanomedicina, Instituto de Salud Carlos III, 28029 Madrid, Spain;
- Instituto de Investigación Sanitaria Valdecilla (IDIVAL), 39011 Santander, Spain
| | - Luís Rodríguez-Cobo
- CIBER de Bioingeniería, Biomateriales y Nanomedicina, Instituto de Salud Carlos III, 28029 Madrid, Spain;
| | - Adolfo Cobo
- Photonics Engineering Group, University of Cantabria, 39005 Santander, Spain;
- CIBER de Bioingeniería, Biomateriales y Nanomedicina, Instituto de Salud Carlos III, 28029 Madrid, Spain;
- Instituto de Investigación Sanitaria Valdecilla (IDIVAL), 39011 Santander, Spain
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2
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Wang X, Jin T, Xiong J, Zhao H, Hu X, Li Q, Ren J, Zhao Y. Three-dimensional image-guided topical photodynamic therapy system with light dosimetry dynamic planning and monitoring. BIOMEDICAL OPTICS EXPRESS 2023; 14:453-466. [PMID: 36698654 PMCID: PMC9842015 DOI: 10.1364/boe.481248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 12/05/2022] [Accepted: 12/12/2022] [Indexed: 05/02/2023]
Abstract
Photodynamic therapy (PDT) has shown significant potential for skin disease treatment. As a key element, light is critical to influencing its treatment outcome, and light dosimetry is an issue of much concern for researchers. However, because of three-dimensional irregularity in shape and patient's movement during the therapy, irradiance hardly keeps uniform on the lesion and flux measurement remains a challenge. In this work, we report the development of a three-dimensional image-guided PDT system, and the method of dynamic irradiance planning and flux monitoring for lesions in different poses. This system comprises a three-dimensional camera for monitoring patients' movement during therapy, a computer for data analysis and processing, and a homemade LED array for forming uniform irradiance on lesions. Simulations on lesions of the face and arm show that the proposed system significantly increases effective therapy area, enhances irradiance uniformity, is able to visualize flux on the lesion, and reduces risks of burns during PDT. The developed PDT system is promising for optimizing procedures of PDT and providing better treatment outcomes by delivering controllable irradiance and flux on lesions even when a patient is moving.
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Affiliation(s)
- Xu Wang
- Department of Biomedical Engineering, School of Life Science, Beijing Institute of Technology, Beijing, China
| | - Teng Jin
- Department of Biomedical Engineering, School of Life Science, Beijing Institute of Technology, Beijing, China
| | - Jiyuan Xiong
- Department of Biomedical Engineering, School of Life Science, Beijing Institute of Technology, Beijing, China
| | - Huiting Zhao
- Department of Biomedical Engineering, School of Life Science, Beijing Institute of Technology, Beijing, China
| | - Xiaoming Hu
- Department of Biomedical Engineering, School of Life Science, Beijing Institute of Technology, Beijing, China
| | - Qin Li
- Department of Biomedical Engineering, School of Life Science, Beijing Institute of Technology, Beijing, China
| | - Jie Ren
- Department of Dermatology, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
- Photomedicine Laboratory, Institute of Precision Medicine, Tsinghua University, Beijing, China
| | - Yi Zhao
- Department of Dermatology, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
- Photomedicine Laboratory, Institute of Precision Medicine, Tsinghua University, Beijing, China
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3
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George A, Shrivastav PS. Photodynamic therapy with light emitting fabrics: a review. Arch Dermatol Res 2021; 314:929-936. [PMID: 34797414 DOI: 10.1007/s00403-021-02301-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 10/17/2021] [Accepted: 11/05/2021] [Indexed: 11/28/2022]
Abstract
Photodynamic therapy is a powerful tool in the localized and selective treatment of dermatologic diseases, such as actinic keratosis, acne vulgaris, Bowen's disease and basal cell carcinoma. The success of photodynamic therapy is mainly attributed to the development of flexible light sources for homogenous and reproducible illumination during clinical studies. The essential requirement for this therapy includes, a suitable photosensitizer, presence of oxygen and a light of specific wavelength and intensity. The use of light emitting fabric comprising of optical fibers provides an exciting and an efficient way to transfer light directly to the skin uniformly on the infected body parts. As the optical fibers can transmit light from 400 to 1200 nm it is possible to combine light emitting fabric with laser sources for medical applications. This review focusses on the challenges and recent developments in the use of light emitting fabric for photodynamic therapy in clinical studies and its future perspectives.
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Affiliation(s)
- Archana George
- Department of Chemistry, School of Sciences, Gujarat University, Navrangpura, Ahmedabad, Gujarat, 380009, India
| | - Pranav S Shrivastav
- Department of Chemistry, School of Sciences, Gujarat University, Navrangpura, Ahmedabad, Gujarat, 380009, India.
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A Warp-Knitted Light-Emitting Fabric-Based Device for In Vitro Photodynamic Therapy: Description, Characterization, and Application on Human Cancer Cell Lines. Cancers (Basel) 2021; 13:cancers13164109. [PMID: 34439263 PMCID: PMC8394325 DOI: 10.3390/cancers13164109] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 08/11/2021] [Accepted: 08/12/2021] [Indexed: 12/17/2022] Open
Abstract
Simple Summary While photodynamic therapy appears to be a promising approach to treating cancers, the complexity of its parameters prevents wide acceptance. Accurate light dose measurement is one of the keys to photodynamic effect assessment, but it remains challenging when comparing different technologies. This work provides a complete demonstration of the technical performance of a homemade optical device, based on knitted light-emitting fabrics, called CELL-LEF. Thermal and optical distributions and related safeties are investigated. The results are discussed in relation to the requirements of photodynamic therapy. The usability of CELL-LEF is investigated on human cancer cell lines as a proof of concept. This study highlights that new light-emitting fabric-based technologies can be relevant light sources for in vitro photodynamic therapy studies of tomorrow. Abstract Photodynamic therapy (PDT) appears to be a promising strategy in biomedical applications. However, the complexity of its parameters prevents wide acceptance. This work presents and characterizes a novel optical device based on knitted light-emitting fabrics and dedicated to in vitro PDT involving low irradiance over a long illumination period. Technical characterization of this device, called CELL-LEF, is performed. A cytotoxic study of 5-ALA-mediated PDT on human cancer cell lines is provided as a proof of concept. The target of delivering an irradiance of 1 mW/cm2 over 750 cm2 is achieved (mean: 0.99 mW/cm2; standard deviation: 0.13 mW/cm2). The device can maintain a stable temperature with the mean thermal distribution of 35.1 °C (min: 30.7 °C; max: 38.4 °C). In vitro outcomes show that 5-ALA PDT using CELL-LEF consistently and effectively induced a decrease in tumor cell viability: Almost all the HepG2 cells died after 80 min of illumination, while less than 60% of U87 cell viability remained. CELL-LEF is suitable for in vitro PDT involving low irradiance over a long illumination period.
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Zou J, Li W, Meng N, Jiang J, Wu C, Lei TC, Sroka R, Huang Z. Evaluation of lensed fibers used in photodynamic therapy (PDT). Photodiagnosis Photodyn Ther 2020; 31:101924. [DOI: 10.1016/j.pdpdt.2020.101924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 07/10/2020] [Accepted: 07/13/2020] [Indexed: 10/23/2022]
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Shen Y, Campbell RE, Côté DC, Paquet ME. Challenges for Therapeutic Applications of Opsin-Based Optogenetic Tools in Humans. Front Neural Circuits 2020; 14:41. [PMID: 32760252 PMCID: PMC7373823 DOI: 10.3389/fncir.2020.00041] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Accepted: 06/16/2020] [Indexed: 12/29/2022] Open
Abstract
As the technological hurdles are overcome and optogenetic techniques advance to have more control over neurons, therapies based on these approaches will begin to emerge in the clinic. Here, we consider the technical challenges surrounding the transition of this breakthrough technology from an investigative tool to a true therapeutic avenue. The emerging strategies and remaining tasks surrounding genetically encoded molecules which respond to light as well as the vehicles required to deliver them are discussed.The use of optogenetics in humans would represent a completely new paradigm in medicine and would be associated with unprecedented technical considerations. To be applied for stimulation of neurons in humans, an ideal optogenetic tool would need to be non-immunogenic, highly sensitive, and activatable with red light or near-infrared light (to maximize light penetration while minimizing photodamage). To enable sophisticated levels of neuronal control, the combined use of optogenetic actuators and indicators could enable closed-loop all-optical neuromodulation. Such systems would introduce additional challenges related to spectral orthogonality between actuator and indicator, the need for decision making computational algorithms and requirements for large gene cassettes. As in any gene therapy, the therapeutic efficiency of optogenetics will rely on vector delivery and expression in the appropriate cell type. Although viral vectors such as those based on AAVs are showing great potential in human trials, barriers to their general use remain, including immune responses, delivery/transport, and liver clearance. Limitations associated with the gene cassette size which can be packaged in currently approved vectors also need to be addressed.
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Affiliation(s)
- Yi Shen
- Department of Chemistry, University of Alberta, Edmonton, AB, Canada
| | - Robert E Campbell
- Department of Chemistry, University of Alberta, Edmonton, AB, Canada.,Department of Chemistry, Graduate School of Science, The University of Tokyo, Tokyo, Japan
| | - Daniel C Côté
- Centre de Recherche CERVO, Université Laval, Quebec City, QC, Canada.,Département de Physique et Génie Physique, Université Laval, Quebec City, QC, Canada
| | - Marie-Eve Paquet
- Centre de Recherche CERVO, Université Laval, Quebec City, QC, Canada.,Département de Biochimie, Microbiologie et Bioinformatique, Université Laval, Quebec City, QC, Canada
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Chamberlain S, Bellnier D, Yendamuri S, Lindenmann J, Demmy T, Nwogu C, Ramer M, Tworek L, Oakley E, Mallory M, Carlsen L, Sexton S, Curtin L, Shafirstein G. An Optical Surface Applicator for Intraoperative Photodynamic Therapy. Lasers Surg Med 2020; 52:523-529. [PMID: 31587314 PMCID: PMC7131890 DOI: 10.1002/lsm.23168] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/20/2019] [Indexed: 02/06/2023]
Abstract
BACKGROUND AND OBJECTIVES Intraoperative photodynamic therapy (IO-PDT) is typically administered by a handheld light source. This can result in uncontrolled distribution of light irradiance that impacts tissue and tumor response to photodynamic therapy. The objective of this work was to characterize a novel optical surface applicator (OSA) designed to administer controlled light irradiance in IO-PDT. STUDY DESIGN/MATERIALS AND METHODS An OSA was constructed from a flexible silicone mesh applicator with multiple cylindrically diffusing optical fibers (CDF) placed into channels of the silicone. Light irradiance distribution, at 665 nm, was evaluated on the OSA surface and after passage through solid tissue-mimicking optical phantoms by measurements from a multi-channel dosimetry system. As a proof of concept, the light administration of the OSA was tested in a pilot study by conducting a feasibility and performance test with 665-nm laser light to activate 2-(1'-hexyloxyethyl) pyropheophorbide-a (HPPH) in the thoracic cavity of adult swine. RESULTS At the OSA surface, the irradiance distribution was non-uniform, ranging from 128 to 346 mW/cm2 . However, in the tissue-mimicking phantoms, beam uniformity improved markedly, with irradiance ranges of 39-153, 33-87, and 12-28 mW/cm2 measured at phantom thicknesses of 3, 5, and 10 mm, respectively. The OSA safely delivered the prescribed light dose to the thoracic cavities of four swine. CONCLUSIONS The OSA can provide predictable light irradiances for administering a well-defined and potentially effective therapeutic light in IO-PDT. Lasers Surg. Med. © 2019 Wiley Periodicals, Inc.
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Affiliation(s)
- Sarah Chamberlain
- Photodynamic Therapy Center, Department of Cell Stress Biology, Roswell Park Comprehensive Cancer Center (Roswell Park), Buffalo, New York
| | - David Bellnier
- Photodynamic Therapy Center, Department of Cell Stress Biology, Roswell Park Comprehensive Cancer Center (Roswell Park), Buffalo, New York
| | - Sai Yendamuri
- Department of Thoracic Surgery, Roswell Park, Buffalo, New York
| | - Joerg Lindenmann
- Division of Thoracic and Hyperbaric Surgery, Medical University Graz, Austria
| | - Todd Demmy
- Department of Thoracic Surgery, Roswell Park, Buffalo, New York
| | | | - Max Ramer
- Photodynamic Therapy Center, Department of Cell Stress Biology, Roswell Park Comprehensive Cancer Center (Roswell Park), Buffalo, New York
| | - Larry Tworek
- Photodynamic Therapy Center, Department of Cell Stress Biology, Roswell Park Comprehensive Cancer Center (Roswell Park), Buffalo, New York
| | - Emily Oakley
- Photodynamic Therapy Center, Department of Cell Stress Biology, Roswell Park Comprehensive Cancer Center (Roswell Park), Buffalo, New York
| | - Matthew Mallory
- Photodynamic Therapy Center, Department of Cell Stress Biology, Roswell Park Comprehensive Cancer Center (Roswell Park), Buffalo, New York
| | - Lindsey Carlsen
- Photodynamic Therapy Center, Department of Cell Stress Biology, Roswell Park Comprehensive Cancer Center (Roswell Park), Buffalo, New York
| | - Sandra Sexton
- Laboratory Animal Shared Resource, Roswell Park, Buffalo, New York
| | - Leslie Curtin
- Laboratory Animal Shared Resource, Roswell Park, Buffalo, New York
| | - Gal Shafirstein
- Photodynamic Therapy Center, Department of Cell Stress Biology, Roswell Park Comprehensive Cancer Center (Roswell Park), Buffalo, New York
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8
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Kim MM, Darafsheh A. Light Sources and Dosimetry Techniques for Photodynamic Therapy. Photochem Photobiol 2020; 96:280-294. [PMID: 32003006 DOI: 10.1111/php.13219] [Citation(s) in RCA: 168] [Impact Index Per Article: 42.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Accepted: 11/29/2019] [Indexed: 12/19/2022]
Abstract
Effective treatment delivery in photodynamic therapy (PDT) requires coordination of the light source, the photosensitizer, and the delivery device appropriate to the target tissue. Lasers, light-emitting diodes (LEDs), and lamps are the main types of light sources utilized for PDT applications. The choice of light source depends on the target location, photosensitizer used, and light dose to be delivered. Geometry of minimally accessible areas also plays a role in deciding light applicator type. Typically, optical fiber-based devices are used to deliver the treatment light close to the target. The optical properties of tissue also affect the distribution of the treatment light. Treatment light undergoes scattering and absorption in tissue. Most tissue will scatter light, but highly pigmented areas will absorb light, especially at short wavelengths. This review will summarize the basic physics of light sources, and describe methods for determining the dose delivered to the patient.
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Affiliation(s)
- Michele M Kim
- Department of Radiation Oncology, University of Pennsylvania, Philadelphia, PA
| | - Arash Darafsheh
- Department of Radiation Oncology, Washington University School of Medicine, St. Louis, MO
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9
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Gong Z, Xiang Z, OuYang X, Zhang J, Lau N, Zhou J, Chan CC. Wearable Fiber Optic Technology Based on Smart Textile: A Review. MATERIALS (BASEL, SWITZERLAND) 2019; 12:E3311. [PMID: 31614542 PMCID: PMC6829450 DOI: 10.3390/ma12203311] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Revised: 10/02/2019] [Accepted: 10/08/2019] [Indexed: 11/17/2022]
Abstract
Emerging smart textiles have enriched a variety of wearable technologies, including fiber optic technology. Optic fibers are widely applied in communication, sensing, and healthcare, and smart textiles enable fiber optic technology to be worn close to soft and curved human body parts for personalized functions. This review briefly introduces wearable fiber optic applications with various functions, including fashion and esthetics, vital signal monitoring, and disease treatment. The main working principles of side emission, wavelength modulation, and intensity modulation are summarized. In addition, textile fabrication techniques, including weaving and knitting, are discussed and illustrated as combination methods of embedding fiber optic technology into textile fabric. In conclusion, the combination of optical fibers and textiles has drawn considerable interest and developed rapidly. This work provides an overview of textile-based wearable fiber optic technology and discusses potential textile fabrication techniques for further improvement of wearable fiber optic applications.
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Affiliation(s)
- Zidan Gong
- Sino-German College of Intelligent Manufacturing, Shenzhen Technology University, Shenzhen 518118, China.
| | - Ziyang Xiang
- Sino-German College of Intelligent Manufacturing, Shenzhen Technology University, Shenzhen 518118, China.
| | - Xia OuYang
- Department of Electrical Engineering, The Hong Kong Polytechnic University, Hong Kong 999077, China.
| | - Jun Zhang
- School of Design, The Hong Kong Polytechnic University, Hong Kong 999077, China.
| | - Newman Lau
- School of Design, The Hong Kong Polytechnic University, Hong Kong 999077, China.
| | - Jie Zhou
- Apparel & Art Design College, Xi'an Polytechnic University, Xi'an 710048, China.
| | - Chi Chiu Chan
- Sino-German College of Intelligent Manufacturing, Shenzhen Technology University, Shenzhen 518118, China.
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E-Knitted Textile with Polymer Optical Fibers for Friction and Pressure Monitoring in Socks. SENSORS 2019; 19:s19133011. [PMID: 31288468 PMCID: PMC6651217 DOI: 10.3390/s19133011] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Revised: 07/04/2019] [Accepted: 07/05/2019] [Indexed: 12/23/2022]
Abstract
The objective of this paper is to study the ability of polymer optical fiber (POF) to be inserted in a knitted fabric and to measure both pressure and friction when walking. Firstly, POF, marketed and in development, have been compared in terms of the required mechanical properties for the insertion of the fiber directly into a knitted fabric on an industrial scale, i.e. elongation, bending rigidity, and minimum bending radius before plastic deformation. Secondly, the chosen optical fiber was inserted inside several types of knitted fabric and was shown to be sensitive to friction and compression. The knitted structure with the highest sensitivity has been chosen for sock prototype manufacturing. Finally, a feasibility study with an instrumented sock showed that it is possible to detect the different phases of walking in terms of compression and friction.
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11
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Quandt BM, Pfister MS, Lübben JF, Spano F, Rossi RM, Bona GL, Boesel LF. POF-yarn weaves: controlling the light out-coupling of wearable phototherapy devices. BIOMEDICAL OPTICS EXPRESS 2017; 8:4316-4330. [PMID: 29082067 PMCID: PMC5654782 DOI: 10.1364/boe.8.004316] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2017] [Revised: 08/23/2017] [Accepted: 08/24/2017] [Indexed: 05/31/2023]
Abstract
Neonatal jaundice (hyperbilirubinaemia) is common in neonates and, often, intensive blue-light phototherapy is required to prevent long-term effects. A photonic textile can overcome three major incubator-related concerns: Insulation of the neonate, human contact, and usage restraints. This paper describes the development of a homogeneous luminous textile from polymer optical fibres to use as a wearable, long-term phototherapy device. The bend out-coupling of light from the POFs was related to the weave production, e.g. weave pattern and yarn densities. Comfort, determined by friction against a skin model and breathability, was investigated additionally. Our textile is the first example of phototherapeutic clothing that is produced sans post-processing allowing for faster commercial production.
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Affiliation(s)
- Brit M. Quandt
- Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Biomimetic Membranes and Textiles, Lerchenfeldstrasse 5, 9014 St. Gallen, Switzerland
- ETH Zurich, Swiss Federal Institute of Technology, Department of Information Technology and Electrical Engineering, Gloriastrasse 35, 8092 Zurich, Switzerland
| | - Marisa S. Pfister
- Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Biomimetic Membranes and Textiles, Lerchenfeldstrasse 5, 9014 St. Gallen, Switzerland
- Albstadt-Sigmaringen University, Material and Process Engineering, Poststraße 6, 72458 Albstadt-Ebingen, Germany
| | - Jörn F. Lübben
- Albstadt-Sigmaringen University, Material and Process Engineering, Poststraße 6, 72458 Albstadt-Ebingen, Germany
| | - Fabrizio Spano
- Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Biomimetic Membranes and Textiles, Lerchenfeldstrasse 5, 9014 St. Gallen, Switzerland
| | - René M. Rossi
- Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Biomimetic Membranes and Textiles, Lerchenfeldstrasse 5, 9014 St. Gallen, Switzerland
| | - Gian-Luca Bona
- ETH Zurich, Swiss Federal Institute of Technology, Department of Information Technology and Electrical Engineering, Gloriastrasse 35, 8092 Zurich, Switzerland
- Empa, Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, 8600 Dübendorf, Switzerland
| | - Luciano F. Boesel
- Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Biomimetic Membranes and Textiles, Lerchenfeldstrasse 5, 9014 St. Gallen, Switzerland
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12
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Lu M, Xie R, Liu Z, Zhao Z, Xu H, Mao Z. Enhancement in electrical conductive property of polypyrrole-coated cotton fabrics using cationic surfactant. J Appl Polym Sci 2016. [DOI: 10.1002/app.43601] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Ming Lu
- Key Lab of Science and Technology of Eco-textile, Ministry of Education, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University; Shanghai 201620 People's Republic of China
- College of Textiles and Garments, Southwest University; Chongqing 400716 People's Republic of China
| | - Ruyi Xie
- Key Lab of Science and Technology of Eco-textile, Ministry of Education, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University; Shanghai 201620 People's Republic of China
| | - Zulan Liu
- College of Textiles and Garments, Southwest University; Chongqing 400716 People's Republic of China
| | - Zhenyun Zhao
- College of Textiles and Garments, Southwest University; Chongqing 400716 People's Republic of China
| | - Hong Xu
- Key Lab of Science and Technology of Eco-textile, Ministry of Education, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University; Shanghai 201620 People's Republic of China
| | - Zhiping Mao
- Key Lab of Science and Technology of Eco-textile, Ministry of Education, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University; Shanghai 201620 People's Republic of China
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13
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Quandt BM, Scherer LJ, Boesel LF, Wolf M, Bona GL, Rossi RM. Body-monitoring and health supervision by means of optical fiber-based sensing systems in medical textiles. Adv Healthc Mater 2015; 4:330-55. [PMID: 25358557 DOI: 10.1002/adhm.201400463] [Citation(s) in RCA: 90] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2014] [Revised: 09/24/2014] [Indexed: 11/11/2022]
Abstract
Long-term monitoring with optical fibers has moved into the focus of attention due to the applicability for medical measurements. Within this Review, setups of flexible, unobtrusive body-monitoring systems based on optical fibers and the respective measured vital parameters are in focus. Optical principles are discussed as well as the interaction of light with tissue. Optical fiber-based sensors that are already used in first trials are primarily selected for the section on possible applications. These medical textiles include the supervision of respiration, cardiac output, blood pressure, blood flow and its saturation with hemoglobin as well as oxygen, pressure, shear stress, mobility, gait, temperature, and electrolyte balance. The implementation of these sensor concepts prompts the development of wearable smart textiles. Thus, current sensing techniques and possibilities within photonic textiles are reviewed leading to multiparameter designs. Evaluation of these designs should show the great potential of optical fibers for the introduction into textiles especially due to the benefit of immunity to electromagnetic radiation. Still, further improvement of the signal-to-noise ratio is often necessary to develop a commercial monitoring system.
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Affiliation(s)
- Brit M. Quandt
- Empa-Swiss Federal Laboratories for Materials Science and Technology; Laboratory for Protection and Physiology; Lerchenfeldstrasse 5, 9016 St. Gallen Switzerland
- ETH Zurich, Department of Information Technology and Electrical Engineering; Gloriastrasse 35 8092 Zurich Switzerland
| | | | - Luciano F. Boesel
- Empa-Swiss Federal Laboratories for Materials Science and Technology; Laboratory for Protection and Physiology; Lerchenfeldstrasse 5, 9016 St. Gallen Switzerland
| | - Martin Wolf
- Division of Neonatology; University Hospital Zurich; Frauenklinikstrasse 10 8091 Zurich Switzerland
| | - Gian-Luca Bona
- ETH Zurich, Department of Information Technology and Electrical Engineering; Gloriastrasse 35 8092 Zurich Switzerland
- Empa-Swiss Federal Laboratories for Materials Science and Technology; Überlandstrasse 129 8600 Dübendorf Switzerland
| | - René M. Rossi
- Empa-Swiss Federal Laboratories for Materials Science and Technology; Laboratory for Protection and Physiology; Lerchenfeldstrasse 5, 9016 St. Gallen Switzerland
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Mordon S, Cochrane C, Tylcz JB, Betrouni N, Mortier L, Koncar V. Light emitting fabric technologies for photodynamic therapy. Photodiagnosis Photodyn Ther 2014; 12:1-8. [PMID: 25481663 DOI: 10.1016/j.pdpdt.2014.11.002] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2014] [Revised: 11/07/2014] [Accepted: 11/12/2014] [Indexed: 10/24/2022]
Abstract
Photodynamic therapy (PDT) is considered to be a promising method for treating various types of cancer. A homogeneous and reproducible illumination during clinical PDT plays a determinant role in preventing under- or over-treatment. The development of flexible light sources would considerably improve the homogeneity of light delivery. The integration of optical fiber into flexible structures could offer an interesting alternative. This paper aims to describe different methods proposed to develop Side Emitting Optical Fibers (SEOF), and how these SEOF can be integrated in a flexible structure to improve light illumination of the skin during PDT. Four main techniques can be described: (i) light blanket integrating side-glowing optical fibers, (ii) light emitting panel composed of SEOF obtained by micro-perforations of the cladding, (iii) embroidery-based light emitting fabric, and (iv) woven-based light emitting fabric. Woven-based light emitting fabrics give the best performances: higher fluence rate, best homogeneity of light delivery, good flexibility.
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Affiliation(s)
- Serge Mordon
- INSERM U 703, Lille University Hospital-CHRU, 152, rue du Dr. Yersin, 59120 Loos, France; University of Lille, F-59000 Lille, France.
| | - Cédric Cochrane
- ENSAIT, GEMTEX, F-59100 Roubaix, France; University of Lille, F-59000 Lille, France
| | - Jean Baptiste Tylcz
- INSERM U 703, Lille University Hospital-CHRU, 152, rue du Dr. Yersin, 59120 Loos, France
| | - Nacim Betrouni
- INSERM U 703, Lille University Hospital-CHRU, 152, rue du Dr. Yersin, 59120 Loos, France; University of Lille, F-59000 Lille, France
| | - Laurent Mortier
- INSERM U 703, Lille University Hospital-CHRU, 152, rue du Dr. Yersin, 59120 Loos, France; University of Lille, F-59000 Lille, France
| | - Vladan Koncar
- ENSAIT, GEMTEX, F-59100 Roubaix, France; University of Lille, F-59000 Lille, France
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Reifler FA, Hufenus R, Krehel M, Zgraggen E, Rossi RM, Scherer LJ. Polymer optical fibers for textile applications – Bicomponent melt spinning from cyclic olefin polymer and structural characteristics revealed by wide angle X-ray diffraction. POLYMER 2014. [DOI: 10.1016/j.polymer.2014.08.071] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Cochrane C, Mordon SR, Lesage JC, Koncar V. New design of textile light diffusers for photodynamic therapy. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2013; 33:1170-5. [DOI: 10.1016/j.msec.2012.12.007] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2012] [Revised: 09/06/2012] [Accepted: 12/02/2012] [Indexed: 10/27/2022]
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Brunner P, Clason C, Freiberger M, Scharfetter H. A deterministic approach to the adapted optode placement for illumination of highly scattering tissue. BIOMEDICAL OPTICS EXPRESS 2012; 3:1732-1743. [PMID: 22808442 PMCID: PMC3395495 DOI: 10.1364/boe.3.001732] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/20/2012] [Revised: 06/05/2012] [Accepted: 06/05/2012] [Indexed: 06/01/2023]
Abstract
A novel approach is presented for computing optode placements that are adapted to specific geometries and tissue characteristics, e.g., in optical tomography and photodynamic cancer therapy. The method is based on optimal control techniques together with a sparsity-promoting penalty that favors pointwise solutions, yielding both locations and magnitudes of light sources. In contrast to current discrete approaches, the need for specifying an initial set of candidate configurations as well as the exponential increase in complexity with the number of optodes are avoided. This is demonstrated with computational examples from photodynamic therapy.
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Affiliation(s)
- Patricia Brunner
- Graz University of Technology, Institute of Medical Engineering, Kronesgasse 5/II, 8010 Graz,
Austria
| | - Christian Clason
- Karl-Franzens-University of Graz, Institute for Mathematics and Scientific Computing, Heinrichstrasse 36, 8010 Graz,
Austria
| | - Manuel Freiberger
- Graz University of Technology, Institute of Medical Engineering, Kronesgasse 5/II, 8010 Graz,
Austria
| | - Hermann Scharfetter
- Graz University of Technology, Institute of Medical Engineering, Kronesgasse 5/II, 8010 Graz,
Austria
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Hu Y, Wang K, Zhu TC. A light blanket for intraoperative photodynamic therapy. PROCEEDINGS OF SPIE--THE INTERNATIONAL SOCIETY FOR OPTICAL ENGINEERING 2009; 7380:73801W. [PMID: 25983369 DOI: 10.1117/12.823064] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
A novel light source - light blanket composed of a series of parallel cylindrical diffusing fibers (CDF) is designed to substitute the hand-held point source in the PDT treatment of the malignant pleural or intraperitoneal diseases. It achieves more uniform light delivery and less operation time in operating room. The preliminary experiment was performed for a 9cmx9cm light blanket composed of 8 9-cm CDFs. The linear diffusers were placed in parallel finger-like pockets. The blanket is filled with 0.2 % intralipid scattering medium to improve the uniformity of light distribution. 0.3-mm aluminum foil is used to shield and reflect the light transmission. The full width of the profile of light distribution at half maximum along the perpendicular direction is 7.9cm and 8.1cm with no intralipid and with intralipid. The peak value of the light fluence rate profiles per input power is 11.7mW/cm2/W and 8.6mW/cm2/W respectively. The distribution of light field is scanned using the isotropic detector and the motorized platform. The average fluence rate per input power is 8.6 mW/cm2/W and the standard deviation is 1.6 mW/cm2/W for the scan in air, 7.4 mW/cm2/W and 1.1 mW/cm2/W for the scan with the intralipid layer. The average fluence rate per input power and the standard deviation are 20.0 mW/cm2/W and 2.6 mW/cm2/W respectively in the tissue mimic phantom test. The light blanket design produces a reasonably uniform field for effective light coverage and is flexible to confirm to anatomic structures in intraoperative PDT. It also has great potential value for superficial PDT treatment in clinical application.
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Affiliation(s)
- Yida Hu
- Departments of Radiation Oncology, University of Pennsylvania, Philadelphia, PA
| | - Ken Wang
- Departments of Radiation Oncology, University of Pennsylvania, Philadelphia, PA
| | - Timothy C Zhu
- Departments of Radiation Oncology, University of Pennsylvania, Philadelphia, PA
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Gauvreau B, Guo N, Schicker K, Stoeffler K, Boismenu F, Ajji A, Wingfield R, Dubois C, Skorobogatiy M. Color-changing and color-tunable photonic bandgap fiber textiles. OPTICS EXPRESS 2008; 16:15677-93. [PMID: 18825206 DOI: 10.1364/oe.16.015677] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
We present the fabrication and use of plastic Photonic Band Gap Bragg fibers in photonic textiles for applications in interactive cloths, sensing fabrics, signage and art. In their cross section Bragg fibers feature periodic sequence of layers of two distinct plastics. Under ambient illumination the fibers appear colored due to optical interference in their microstructure. Importantly, no dyes or colorants are used in fabrication of such fibers, thus making the fibers resistant to color fading. Additionally, Bragg fibers guide light in the low refractive index core by photonic bandgap effect, while uniformly emitting a portion of guided color without the need of mechanical perturbations such as surface corrugation or microbending, thus making such fibers mechanically superior to the standard light emitting fibers. Intensity of side emission is controlled by varying the number of layers in a Bragg reflector. Under white light illumination, emitted color is very stable over time as it is defined by the fiber geometry rather than by spectral content of the light source. Moreover, Bragg fibers can be designed to reflect one color when side illuminated, and to emit another color while transmitting the light. By controlling the relative intensities of the ambient and guided light the overall fiber color can be varied, thus enabling passive color changing textiles. Additionally, by stretching a PBG Bragg fiber, its guided and reflected colors change proportionally to the amount of stretching, thus enabling visually interactive and sensing textiles responsive to the mechanical influence. Finally, we argue that plastic Bragg fibers offer economical solution demanded by textile applications.
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Affiliation(s)
- B Gauvreau
- Department of Engineering Physics, Ecole Polytechnique de Montréal, C.P. 6079, succ. Centre-ville Montral, Qubec, Canada H3C 3A7
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Rothmaier M, Selm B, Spichtig S, Haensse D, Wolf M. Photonic textiles for pulse oximetry. OPTICS EXPRESS 2008; 16:12973-86. [PMID: 18711536 DOI: 10.1364/oe.16.012973] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Biomedical sensors, integrated into textiles would enable monitoring of many vitally important physiological parameters during our daily life. In this paper we demonstrate the design and performance of a textile based pulse oximeter, operating on the forefinger tip in transmission mode. The sensors consisted of plastic optical fibers integrated into common fabrics. To emit light to the human tissue and to collect transmitted light the fibers were either integrated into a textile substrate by embroidery (producing microbends with a nominal diameter of 0.5 to 2 mm) or the fibers inside woven patterns have been altered mechanically after fabric production. In our experiments we used a two-wavelength approach (690 and 830 nm) for pulse wave acquisition and arterial oxygen saturation calculation. We have fabricated different specimens to study signal yield and quality, and a cotton glove, equipped with textile based light emitter and detector, has been used to examine movement artifacts. Our results show that textile-based oximetry is feasible with sufficient data quality and its potential as a wearable health monitoring device is promising.
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Affiliation(s)
- Markus Rothmaier
- Empa, Laboratory for Protection and Physiology, Lerchenfeldstrasse 5, 9014 St Gallen, Switzerland.
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